2215053881 has 8 divisors (see below), whose sum is σ = 2301654528. Its totient is φ = 2129400000.

The previous prime is 2215053851. The next prime is 2215053887. The reversal of 2215053881 is 1883505122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2215053881 - 2²⁶ = 2147945017 is a prime.

It is a super-2 number, since 2×2215053881² = 9812927391466324322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215053887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231920 + ... + 241281.

It is an arithmetic number, because the mean of its divisors is an integer number (287706816).

Almost surely, 2^2215053881 is an apocalyptic number.

It is an amenable number.

2215053881 is a deficient number, since it is larger than the sum of its proper divisors (86600647).

2215053881 is a wasteful number, since it uses less digits than its factorization.

2215053881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473383.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 2215053881 is about 47064.3589247745. The cubic root of 2215053881 is about 1303.5512135810.

The spelling of 2215053881 in words is "two billion, two hundred fifteen million, fifty-three thousand, eight hundred eighty-one".